run-gnu-tests-smack-ci.sh: copy kernel from Ubuntu runner

[oech3]

Closes #11368

[github-actions]

GNU testsuite comparison:

Skip an intermittent issue tests/date/resolution (fails in this run but passes in the 'main' branch)
Skip an intermittent issue tests/pr/bounded-memory (fails in this run but passes in the 'main' branch)
Skipping an intermittent issue tests/cut/bounded-memory (passes in this run but fails in the 'main' branch)
Note: The gnu test tests/cp/link-heap is now being skipped but was previously passing.
Note: The gnu test tests/printf/printf-surprise is now being skipped but was previously passing.
Congrats! The gnu test tests/basenc/bounded-memory is now passing!
Congrats! The gnu test tests/rm/many-dir-entries-vs-OOM is now passing!

[github-actions]

GNU testsuite comparison:

Skip an intermittent issue tests/date/date-locale-hour (fails in this run but passes in the 'main' branch)
Skipping an intermittent issue tests/cut/bounded-memory (passes in this run but fails in the 'main' branch)
Congrats! The gnu test tests/basenc/bounded-memory is now passing!
Congrats! The gnu test tests/rm/many-dir-entries-vs-OOM is now passing!

[oech3]

@ChrisDryden

[sylvestre]

they pass, well done!

2026-03-17T18:51:56.4785277Z     Finished `release-small` profile [optimized] target(s) in 37.97s
2026-03-17T18:51:56.5637652Z Found 4 SMACK/ROOTFS tests
2026-03-17T18:51:56.5692057Z Running: df/skip-rootfs.sh
2026-03-17T18:51:56.6418566Z '/tmp/qemu-test-3995/bin/df' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:51:56.6431009Z '/tmp/qemu-test-3995/bin/id' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:51:56.6442824Z '/tmp/qemu-test-3995/bin/ls' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:51:56.6454884Z '/tmp/qemu-test-3995/bin/mkdir' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:51:56.6466529Z '/tmp/qemu-test-3995/bin/mkfifo' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:51:56.6478147Z '/tmp/qemu-test-3995/bin/mknod' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:02.9319700Z   PASS: df/skip-rootfs.sh
2026-03-17T18:52:02.9602775Z Running: id/smack.sh
2026-03-17T18:52:03.0301117Z '/tmp/qemu-test-3995/bin/df' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:03.0312988Z '/tmp/qemu-test-3995/bin/id' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:03.0325288Z '/tmp/qemu-test-3995/bin/ls' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:03.0337839Z '/tmp/qemu-test-3995/bin/mkdir' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:03.0350378Z '/tmp/qemu-test-3995/bin/mkfifo' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:03.0362778Z '/tmp/qemu-test-3995/bin/mknod' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:08.9264080Z   PASS: id/smack.sh
2026-03-17T18:52:08.9550167Z Running: mkdir/smack-no-root.sh
2026-03-17T18:52:09.0232120Z '/tmp/qemu-test-3995/bin/df' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:09.0244557Z '/tmp/qemu-test-3995/bin/id' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:09.0256948Z '/tmp/qemu-test-3995/bin/ls' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:09.0268648Z '/tmp/qemu-test-3995/bin/mkdir' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:09.0280543Z '/tmp/qemu-test-3995/bin/mkfifo' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:09.0292568Z '/tmp/qemu-test-3995/bin/mknod' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:14.8207298Z   PASS: mkdir/smack-no-root.sh
2026-03-17T18:52:14.8504224Z Running: mkdir/smack-root.sh
2026-03-17T18:52:14.9194767Z '/tmp/qemu-test-3995/bin/df' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:14.9206376Z '/tmp/qemu-test-3995/bin/id' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:14.9218599Z '/tmp/qemu-test-3995/bin/ls' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:14.9230579Z '/tmp/qemu-test-3995/bin/mkdir' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:14.9242917Z '/tmp/qemu-test-3995/bin/mkfifo' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:14.9254898Z '/tmp/qemu-test-3995/bin/mknod' => '/home/runner/work/coreutils/coreutils/uutils/target/release-small/coreutils'
2026-03-17T18:52:20.9419588Z   PASS: mkdir/smack-root.sh
2026-03-17T18:52:20.9677299Z Done. Results in /home/runner/work/coreutils/coreutils/gnu/tests-qemu
2026-03-17T18:52:20.9741845Z ##[group]Run python3 uutils/util/gnu-json-result.py gnu/tests-qemu > qemu-gnu-full-result.json